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Stabilizers of Trust: A critical study of the algorithms behind library discovery systems
| #' Convert the output of a topicmodels Latent Dirichlet Allocation to JSON | |
| #' for use with LDAvis | |
| #' | |
| #' @param fitted Output from a topicmodels \code{LDA} model. | |
| #' @param corpus Corpus object used to create the document term | |
| #' matrix for the \code{LDA} model. This should have been create with | |
| #' the tm package's \code{Corpus} function. | |
| #' @param doc_term The document term matrix used in the \code{LDA} | |
| #' model. This should have been created with the tm package's | |
| #' \code{DocumentTermMatrix} function. |
| ### Here's one way to do it. | |
| library(igraph) | |
| library(ggplot2) | |
| ## The igraph docs say that vertex.label.degree controls the position | |
| ## of the labels with respect to the vertices. It's interpreted as a | |
| ## radian, like this: | |
| ## | |
| ## Value is : Label appears ... the node |